89810140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{113}}^1\times {\mathrm{811}}^1$

素因数の和:947

約数の個数: 72

約数和(自身を含む): 221607792

約数和(自身を除く): 131797652

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 113, 140, 196, 226, 245, 452, 490, 565, 791, 811, 980, 1130, 1582, 1622, 2260, 3164, 3244, 3955, 4055, 5537, 5677, 7910, 8110, 11074, 11354, 15820, 16220, 22148, 22708, 27685, 28385, 39739, 55370, 56770, 79478, 91643, 110740, 113540, 158956, 183286, 198695, 366572, 397390, 458215, 641501, 794780, 916430, 1283002, 1832860, 2566004, 3207505, 4490507, 6415010, 8981014, 12830020, 17962028, 22452535, 44905070, 89810140]

約数ペア:

[(1, 89810140), (2, 44905070), (4, 22452535), (5, 17962028), (7, 12830020), (10, 8981014), (14, 6415010), (20, 4490507), (28, 3207505), (35, 2566004), (49, 1832860), (70, 1283002), (98, 916430), (113, 794780), (140, 641501), (196, 458215), (226, 397390), (245, 366572), (452, 198695), (490, 183286), (565, 158956), (791, 113540), (811, 110740), (980, 91643), (1130, 79478), (1582, 56770), (1622, 55370), (2260, 39739), (3164, 28385), (3244, 27685), (3955, 22708), (4055, 22148), (5537, 16220), (5677, 15820), (7910, 11354), (8110, 11074)]